| LC通用微库仑仪测定石油产品的溴价和溴指数 |
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| 引用本文： | 李玉书,张淑惠,郭秀荣.LC通用微库仑仪测定石油产品的溴价和溴指数[J].分析仪器,2010(5):63-66. |
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| 作者姓名： | 李玉书 张淑惠 郭秀荣 |
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| 作者单位： | 洛阳石化设计研究院,洛阳,471003 |
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| 摘 要： | 介绍了采用LC通用微库仑仪测定石油产品的溴价和溴指数。详细说明了用电位法(代替电流法)指示终点和用微库仑滴定法(代替恒电流库仑滴定法)的好处:具有操作简单,节约溶剂,灵敏度高,分析速度快,无需使用离子膜等优点。
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| 关 键 词： | 溴价 溴指数 测定 微库仑滴定法 电位法 |
Measurement of bromine valence and bromine index of petroleum products by general microcoulometer |
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| Li Yushu,Zhang Shuhui,Guo Xiurong.Measurement of bromine valence and bromine index of petroleum products by general microcoulometer[J].Analytical Instrumentation,2010(5):63-66. |
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| Authors: | Li Yushu Zhang Shuhui Guo Xiurong |
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| Affiliation: | Li Yushu,Zhang Shuhui,Guo Xiurong(Luoyang Petrochemical Design Research Institute,Luoyang,471003) |
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| Abstract: | An LC general microcoulometer was used for the measurement of bromine valence and bromine index of petroleum products.The electric current method was replaced by potential method to indicate the end point,and the constant current coulometric method was replaced by microcoulometric method.The latter has the merits of simple operation,solvent-saving,high sensitivity,rapid analysis,and free of the use of ion exchange membrane. |
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